Aldeyra Therapeutics, Inc. SEC filings ALDX
Aldeyra Therapeutics, Inc. has 647 filings in SEC EDGAR's recent list, going back to Oct 6, 2005. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Sep 29, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Feb 27, 2026 | — |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 424B5 | Prospectus supplement | Aug 1, 2024 | — |
| S-3 | Shelf registration | Mar 7, 2024 | — |
| S-8 | Employee stock plan registration | Mar 7, 2024 | — |
| S-8 POS | Filing | Mar 7, 2024 | — |
| S-8 | Employee stock plan registration | Nov 3, 2023 | — |
| S-8 | Employee stock plan registration | Mar 9, 2023 | — |
| S-8 | Employee stock plan registration | Mar 17, 2022 | — |
| 424B5 | Prospectus supplement | Apr 29, 2021 | — |
| 424B5 | Prospectus supplement | Apr 27, 2021 | — |
| S-3 | Shelf registration | Mar 11, 2021 | — |
| S-8 | Employee stock plan registration | Mar 11, 2021 | — |
| 424B5 | Prospectus supplement | Jan 14, 2021 | — |
| 424B5 | Prospectus supplement | Jan 13, 2021 | — |
| S-8 | Employee stock plan registration | Mar 12, 2020 | — |
| S-8 | Employee stock plan registration | Mar 8, 2019 | — |
| 424B5 | Prospectus supplement | Dec 28, 2018 | — |
| 424B5 | Prospectus supplement | Sep 28, 2018 | — |
| 424B5 | Prospectus supplement | Sep 26, 2018 | — |
| S-3 | Shelf registration | Jul 20, 2018 | — |
| S-8 | Employee stock plan registration | Mar 29, 2018 | — |
| 424B5 | Prospectus supplement | Sep 20, 2017 | — |
| 424B5 | Prospectus supplement | Sep 18, 2017 | — |
| 424B5 | Prospectus supplement | Jun 2, 2017 | — |
| S-8 | Employee stock plan registration | Mar 30, 2017 | — |
| 424B5 | Prospectus supplement | Feb 14, 2017 | — |
| 424B5 | Prospectus supplement | Feb 13, 2017 | — |
| POS AM | Filing | Jan 5, 2017 | — |
| POS AM | Filing | Jan 5, 2017 | — |
| S-8 | Employee stock plan registration | Aug 10, 2016 | — |
| 424B5 | Prospectus supplement | May 27, 2016 | — |
| 424B5 | Prospectus supplement | May 25, 2016 | — |
| S-8 | Employee stock plan registration | Mar 30, 2016 | — |
| S-3 | Shelf registration | Aug 24, 2015 | — |
| POS AM | Post-effective amendment no. 2 to form s-1 on form s-3 | Jun 12, 2015 | — |
| POS AM | Post-effective amendment no. 2 to form s-1 on form s-3 | Jun 12, 2015 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | May 14, 2015 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | May 14, 2015 | — |
| 424B4 | Prospectus | May 8, 2015 | — |
| FWP | Free writing prospectus | May 8, 2015 | — |
| S-1/A | Amended registration statement | May 5, 2015 | — |
| S-1 | Registration statement | Apr 20, 2015 | — |
| 424B1 | Form 424(b)1 | Apr 7, 2015 | — |
| 424B1 | Form 424(b)1 | Apr 7, 2015 | — |
| S-1 | Registration statement | Mar 27, 2015 | — |
| S-1 | Registration statement | Mar 27, 2015 | — |
| S-8 | Employee stock plan registration | Mar 27, 2015 | — |
| S-8 | Employee stock plan registration | Jun 11, 2014 | — |
| 424B4 | Prospectus | May 2, 2014 | — |
| S-1/A | Amended registration statement | May 1, 2014 | — |
| FWP | Free writing prospectus | Apr 29, 2014 | — |
| S-1/A | Amended registration statement | Apr 25, 2014 | — |
| S-1/A | Amended registration statement | Apr 7, 2014 | — |
| FWP | Free writing prospectus | Mar 21, 2014 | — |
| S-1/A | Amended registration statement | Mar 21, 2014 | — |
| S-1/A | Amended registration statement | Mar 17, 2014 | — |
| S-1/A | Amended registration statement | Jan 27, 2014 | — |
| S-1 | Registration statement | Jan 6, 2014 | — |
Showing 59 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ALDX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Concord, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1341235
- Former names
- Aldexa Therapeutics, Inc. (until Mar 4, 2014); Neuron Systems Inc (until Aug 1, 2008)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.